65256705 has 48 divisors (see below), whose sum is σ = 120113280. Its totient is φ = 33613920.

The previous prime is 65256703. The next prime is 65256743. The reversal of 65256705 is 50765256.

It is not a de Polignac number, because 65256705 - 2¹ = 65256703 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 65256705.

It is not an unprimeable number, because it can be changed into a prime (65256701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129484 + ... + 129986.

It is an arithmetic number, because the mean of its divisors is an integer number (2502360).

Almost surely, 2^65256705 is an apocalyptic number.

It is an amenable number.

65256705 is a deficient number, since it is larger than the sum of its proper divisors (54856575).

65256705 is a wasteful number, since it uses less digits than its factorization.

65256705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 65256705 is about 8078.1622291212. The cubic root of 65256705 is about 402.6011833628.

The spelling of 65256705 in words is "sixty-five million, two hundred fifty-six thousand, seven hundred five".